NASA Redox Storage System Development Project 1980

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NASA Redox Storage System Development Project 1980 ( nasa-redox-storage-system-development-project-1980 )

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New construct10nc (all-electr1c, energy-eff1c1ent home) Retrof1td (all-electr1c, convent lOna 1 home) 142 309 132 061 ISO 470 167 934 152 123 142 263 179 952 167 804 TABLE 7. - REDOX RESIDENTIAL APPLICATION FOB cost of factory (19S0 dollars). dollars Annual 1nflat10n rate, percent • • • • • • • Wholesale markup (new construct1on), percent Reta1l markup (new construct1on). percent Installat10n cost and anc1llary equ1pment (19S0 dollars), dollars Annual operat1ng and ma1ntenance cost, • percent of 1nstalled cost Nom1nal capac1ty, kW/kWh •• Energy retr1eval eff1c1ency. percent • L1fet1me. yr •••••••• • 4425 •••S • • 20 33-1/3 1000 •••2 5.25 • 75 •• 30 TABLE S. - PRELIMINARY 30-YEAR-LIFE-CYCLE COSTSa Peakl off peak rat10 2 3 2 3 Redox Advanced lead aC1db Cost, dollars No storage (gr1d only) 131 260 131 691 159 202 157 346 aPresent value 1n 1985 dollars over 30-yr llfe. bFlve-year battery replacement cycle at !62/kWh. CStorage system costs 1ncluded 1n 30-yr mortgage. dStorage system costs f1nanced over 5-yr per1od. TABLE 9. - MEMBRANE CHARACTERIZATION DATA FOR VINYLBENZYLLHLORIDE (VBC) ~ARIATIONS Character1st1C Water content, percent NP content, percent Area res1st1v1ty (In 0.1 NHC1), Q-cm2 Th1ckness, cm Ion-exchange capac1ty, meq/dry g: Total Strong Weak Excess VBCa, percent 5 10 20 Standard aExtra mole %of VBC over standard formulat10n. 36.5 0.25 4.2 0.043 4.17 2.30 1.87 36.4 34.7 35.8 0.2!! 0.25 0.25 4.6 4.9 4.4 0.042 0.044 0.042 4.06 4.00. 2.10 2.17 2.11 1.96 1.S3 2.22 4.33 i I I

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